[PATCH 11/12] MIPS: Loongson64: Switch to new topology interface

From: Jiaxun Yang
Date: Wed Apr 08 2020 - 09:05:36 EST


Use the new interface to setup topology information.

Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
.../include/asm/mach-loongson64/topology.h | 2 ++
arch/mips/loongson64/smp.c | 20 +++++++++----------
2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index 3414a1fd1783..999464ed0c20 100644
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -2,6 +2,8 @@
#ifndef _ASM_MACH_TOPOLOGY_H
#define _ASM_MACH_TOPOLOGY_H

+#include <linux/numa.h>
+
#ifdef CONFIG_NUMA

#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index e1fe8bbb377d..bb37d0a7e79c 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -353,10 +353,10 @@ static void loongson3_init_secondary(void)
loongson3_ipi_write32(0xffffffff, ipi_en0_regs[cpu_logical_map(i)]);

per_cpu(cpu_state, cpu) = CPU_ONLINE;
- cpu_set_core(&cpu_data[cpu],
+ cpu_set_core(cpu,
cpu_logical_map(cpu) % loongson_sysconf.cores_per_package);
- cpu_data[cpu].package =
- cpu_logical_map(cpu) / loongson_sysconf.cores_per_package;
+ cpu_set_cluster(cpu,
+ cpu_logical_map(cpu) / loongson_sysconf.cores_per_package);

i = 0;
core0_c0count[cpu] = 0;
@@ -368,7 +368,7 @@ static void loongson3_init_secondary(void)

if (i > MAX_LOOPS)
i = MAX_LOOPS;
- if (cpu_data[cpu].package)
+ if (cpu_cluster(cpu))
initcount = core0_c0count[cpu] + i;
else /* Local access is faster for loops */
initcount = core0_c0count[cpu] + i/2;
@@ -421,9 +421,9 @@ static void __init loongson3_smp_setup(void)
ipi_status0_regs_init();
ipi_en0_regs_init();
ipi_mailbox_buf_init();
- cpu_set_core(&cpu_data[0],
+ cpu_set_core(0,
cpu_logical_map(0) % loongson_sysconf.cores_per_package);
- cpu_data[0].package = cpu_logical_map(0) / loongson_sysconf.cores_per_package;
+ cpu_set_cluster(0, cpu_logical_map(0) / loongson_sysconf.cores_per_package);
}

static void __init loongson3_prepare_cpus(unsigned int max_cpus)
@@ -752,8 +752,8 @@ void play_dead(void)

static int loongson3_disable_clock(unsigned int cpu)
{
- uint64_t core_id = cpu_core(&cpu_data[cpu]);
- uint64_t package_id = cpu_data[cpu].package;
+ uint64_t core_id = cpu_core(cpu);
+ uint64_t package_id = cpu_cluster(cpu);

if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1) {
LOONGSON_CHIPCFG(package_id) &= ~(1 << (12 + core_id));
@@ -766,8 +766,8 @@ static int loongson3_disable_clock(unsigned int cpu)

static int loongson3_enable_clock(unsigned int cpu)
{
- uint64_t core_id = cpu_core(&cpu_data[cpu]);
- uint64_t package_id = cpu_data[cpu].package;
+ uint64_t core_id = cpu_core(cpu);
+ uint64_t package_id = cpu_cluster(cpu);

if ((read_c0_prid() & PRID_REV_MASK) == PRID_REV_LOONGSON3A_R1) {
LOONGSON_CHIPCFG(package_id) |= 1 << (12 + core_id);
--
2.26.0.rc2